DATOSPIR PEAK-10 flow meter will measure the air flow intensity that is passing through the patient’s airway during rapid and intense exhalation. The reading will tell the physician how severe the illness of the patient is. The tool is low cost and simple to use so that patients can also perform at home. It provides color zone for patient control of asthma. The Class 1 is customizable and meets European 93/42/EEC medical device standards and it has EN 13826 compliance.